/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alipay.sofa.registry.server.data.util;

import com.alipay.sofa.registry.log.Logger;
import com.alipay.sofa.registry.log.LoggerFactory;

import java.util.Random;

/**
 *
 * @author qian.lqlq
 * @version $Id: TimeUtil.java, v 0.1 2018-03-12 21:05 qian.lqlq Exp $
 */
public class TimeUtil {

    private static final Logger LOGGER = LoggerFactory.getLogger(TimeUtil.class);

    /**
     * random delay some time
     * @param max
     */
    public static void randomDelay(int max) {
        Random random = new Random();
        int randomNum = random.nextInt(max);
        try {
            Thread.sleep(randomNum);
        } catch (InterruptedException e) {
            LOGGER.error("[TimeUtil] random delay error", e);
        }
    }
}